var mongoose = require('mongoose');
var Comment = require('../models/comment.model.js')// 引数据模型


// 新增
exports.create = function(req,res,next){
    var comment = new Comment(req.body); // 从req.body里获取参数对象，比如{name:'vane',gender:'男',city:'杭州'....}

    comment.save()
    .then(data=>{
        res.json(data)
    })
    
}
exports.get = function(req,res,next){
    var id =req.params.id; // 从req.body里获取参数对象，比如{name:'vane',gender:'男',city:'杭州'....}
    console.log(id);
    Comment.findById(id,function(err,result){
        console.log(result);
        res.json(result);
    });
}
//修改
exports.update = function(req,res,next){
  
    var id = req.params.id; // req.param('id')
    // 现在操作的都是mongoose而不是mongodb
    Comment.findByIdAndUpdate(id,{$set: req.body}, {new:false} )
    .then(data=>{
        res.json({msg:'数据修改成功',status:200}); // 如果你要返回数据，这个data返回的是你之前修改的那个数据内容
    })
}

//删除
exports.remove = function(req,res,next){
    var id = req.params.id;
    Comment.findByIdAndRemove(id,function(err,doc){
        res.json({msg:'数据删除成功',status:200})
    })
} 
exports.removes = function(req,res,next){
    var ids = req.params.ids;
    ids=ids.split(',');
    console.log(ids);
    Comment.remove({_id:{$in:ids}}).then(data=>{
        res.json(data);
    })
} 

exports.list = function(req,res,next){
    
    var page = (req.body.page) ? req.body.page : 1;
    // var limit = (req.body.limit) ? req.body.limit : 2;
    var rows = (req.body.rows) ? req.body.rows : 2;
    //console.log(rows,typeof rows);

    var queryCondition = {};
   
   
    if(req.body.userId && req.body.userId.trim().length>0){
        userId = req.body.userId;
        queryCondition = {
            "userId" : userId
        }
    }
    if(req.body.content && req.body.content.trim().length>0){
        content = req.body.content;
        queryCondition = {
            "content" : new RegExp(content,'i')
        }
    }

    if(req.body.newsId && req.body.newsId.trim().length>0){
        newsId = req.body.newsId;
        queryCondition = {
            "newsId" : newsId
        }
    }
    if(req.body.cateId && req.body.cateId.trim().length>0){
        cateId = req.body.cateId;
        queryCondition = {
            "cateId" : cateId
        }
    }


    Comment.paginate(queryCondition, { page: page, limit: parseInt(rows) }, function(err, result) {
        result.rows = result.docs;
        delete result.docs;

       res.json(result)
    });
}
